Practice Exams Flashcards
Which component encrypts the virtual machine files?
Data Encryption Key (DEK)
For a powered off VM, how much additional free space on the datastore is required to delete a snapshot, committing the snapshot delta disk to the base disk?
0 GB
If you are repointing a vCenter Server to an existing domain, in which scenario would you need to run a precheck and why?
Multiple vCenter Servers exist in the source domain.
Details: If the source domain contains multiple linked vCenter Servers, the repointing process involves additional steps to shut down the vCenter Server and unregister it from the source domain.
You are creating a resource pool in a DRS cluster. Which state is FALSE?
- To specify a limit, select the Unlimited check box.
- When you create a child resource pool, the system applies admission control.
- The default CPU reservation is 0.
- The default memory limit is 0.
- If you choose Scale Descendant’s Shares, child pools use scalable share.
To specify a limit, select the Unlimited check box.
A shared cache server appears to be suffering from storage congestion. Storage I/O Control is already enabled on all company datastores. Which two steps can you take to improve the performance of the cache server?
- Configure storage shares per VM.
- Configure storage limits per VM.
What are valid settings for Define Host Failover Capacity when configuring a vSphere HA cluster?
- Dedicated Failover Hosts.
- Slot Policy (powered-on VMs).
- Cluster Resource Percentage.
What’s the maximum percentage of bandwidth that can be reserved on a physical adapter using Network I/O Control (NOIC)?
75% (i.e. 7.5 Gbps of a 10 Gbps adapter).
What product introduced Virtual Hardware Version 20?
ESXi 8.0
What product introduced Virtual Hardware Version 19?
ESXi 7.0 U2 (7.0.2)
What product introduced Virtual Hardware Version 18?
ESXi 7.0 U1 (7.0.1)
What product introduced Virtual Hardware Version 17?
ESXi 7.0
What product introduced Virtual Hardware Version 15?
ESXi 6.7 U2
What product introduced Virtual Hardware Version 14?
ESXi 6.7
Virtual Machine Component Protection (VMCP) valid settings in vSphere HA cluster > Failures and Responses:
Datastore with PDL (Permanent Device Loss):
a. Issue Events.
b. Power Off and Restart VMs.
Datastore with APD (All Paths Down):
a. Issue Events.
b. Power Off and Restart VMs - Conservative Restart Policy.
c. Power Off and Restart VMs - Aggressive Restart Policy.
T/F: Datastores that are SIOC (Storage I/O Control) enabled must be managed by a single vCenter Server system.
True
What recommendations can an administrator incorporate to improve vSphere vMotion performance?
- Use at least two port groups.
- Use 10 Gbps Ethernet or above.
An admin is tasked to upgrade vSphere 6.7 to 7.0. What conditions could cause potential conflicts or outages to the VMs?
- Use of third-party vSphere Installation Bundles (VIBs) installed on ESXi hosts.
- The upgrade of a VDS 6.5 can cause a brief interruption of traffic (this is not the case if using VDS 6.6 or higher).
while creating a VM in vSphere 7.0, you want the virtual disk AND NVDIMM devices to share the same PMem resources. Which option is used?
In the Storage Type settings, select PMem. If you chose this option for a VM, its default virtual disk, new virtual disk, and NVDIMM devices share the same PMem resources.
T/F: During vSphere 7.0 upgrades, VMFS3 is automatically upgraded to VMFS5.
True
T/F: During vSphere upgrades, VMFS5 cannot be upgraded to VMFS6. You must create a VMFS6 datastore and migrate VMs to it.
True
An administrator wants to be able to send vCenter Server log files to a remote syslog server and analyze logs using vRealize Log Insight. What step must the admin take to meet this requirement?
Configure log file forwarding using the vCenter Server Management Interface.
You want to change the logging for the VMware Tools installation so that vminst.log is sent to the host, but vmmsi.log remains in the VM. What option is used?
Vmx.log.guest.level = “info”
An administrator is unable to manage certificates with the vSphere Client. What is another supported option that can be used to manage certificates?
Command Line Interface.
What is the value %DRPTX for when using ESXTOP?
The percentage of transmit packets dropped. It indicates that the physical network adapter cannot meet the demand, perhaps due to load from other VMs.
How does vSphere handle memory allocation during the instant clone process?
A unique pool is created per child virtual machine using copy-on-write.
An admin wants to configure vCenter Server HA so that each node is located in a different datacenter. What is the network latency requirement?
Network latency between the nodes must be less than 10 milliseconds.
An admin is not able to enable ESXi secure boot. What is a possible cause of this?
- ESXi is using TPM version 1.2.
- ESXi is using UEFI.
- ESXi version is 7.0.
- vCenter Server version is 7.0.
ESXi is using TPM version 1.2.
Which vSphere log contains data about the agent that manages and configures the ESXi host?
/var/log/hostd.log
What are two supported ESXi boot options?
- iSCSI
- NFS
- SAN
- vSAN
- vSphere vVOLs
iSCSI
SAN
What are two pre-requisites for enabling ESXi secure boot?
- UEFI
- TPM 2.0
What is vSAN default storage policy?
Mirroring (RAID1) (Two copies of data disks)
You are configuring a vSphere HA cluster and want to configure proactive HA. Which of the following is not a requirement?
- vSphere DRS
- A VMware-supplied plug-in.
- A vender-supplied vSphere Client plug-in.
- Host.Config.Quarantine and Host.Config.Maintenance privileges.
NOT: A VMware-supplied plug-in.
An admin can attach a baseline to which two inventory objects?
- ESXi hosts.
- Data centers.
What does %RDY value indicate?
High CPU contention.
WHich tool is used to monitor the vCenter Server Appliance resources?
vimtop
What feature can an admin use for site availability with minimal effort and a low RPO?
vSphere Replication
If Ephemeral port binding is configured, what is the max number of ports that can be created for a dvPort group on a VDS?
1,016
Additional details: The max number of statis or dynamic ports that can be configured for a VDS is 10,000.
What are the memory share values for a VM by default (Normal)?
10 shares per MB of configured RAM.
What iSCSI initiator does not support bi-directional CHAP authentication?
Independent Hardware Initiator.
Which two technologies are supported in a VM using Intel Software Guard Extensions (Intel SGX) technology?
VM encryption.
Storage I/O Control.
T/F: The vCenter Server can be upgraded using a pre-configured customized JSON template.
True
What privilege is required to run the esxtop utility?
Root user.
Which role is required in order to configure vCenter SSO?
vCenter Single Sign-On Administrator.
Which step can an admin take so that vSphere can access patch information if vCenter Server does not have Internet access?
Install VMware vSphere Update Manager Download Service on a Linux server.
UMDS on a Windows machine is no longer supported in version 7.
In a vSphere HA Cluster, which condition can be detected by datastore heartbeating?
Network Isolation.
What are common use cases for vGPUs?
AI.
Machine learning.
High-end graphics in VDI.
Which of the following is a default setting when creating a resource pool in a vSphere DRS cluster?
- The Memory Limit is disabled.
- Memory Reservation is 0.
- CPU Reservation is normal.
- CPU Shares is 0.
Memory Reservation is 0.
What are two true statements regarding the use of firmware update packages in vSphere Lifecycle Manager?
The firmware and drivers add-on is provided by a third-party vendor.
A hardware support manager must be registered as a vCenter Server extension.
What are three supported ESXi 7 boot options?
SAN
iSCSI SAN
Software FCoE
What are the requirements to enable Microsoft virtualization-based security (VBS) for a Windows VM?
Virtual hardware version 14 or later.
UEFI firmware.
Secure Boot.
Hardware Virtualization.
IOMMU (input-output memory management unit)
An admin needs to configure Proactive HA so that VMs do not run on any partially degraded hosts. The admin would also like to see the recommendations before VMs are migrated. Which automation and remediation level should the administrator select?
Manual Remediation Level: suggests migration recommendations.
Maintenance mode: ensured degraded hosts are not used.
INCORRECT:
Automated Remediation Level: VMs are migrated to healthy hosts.
Quarantine mode: balances performance. May use degraded hosts.
You are configuring a vSphere HA cluster and do not want it to automatically reserve resources for failure. What setting should you use?
To disable admission control, set Define Host Failure Capacity to Disabled.
What permission must a user have in order to migrate a VM with vMotion?
Resource > Assign Virtual Machine to Resource Pool on the destination ESXi host, cluster or resource pool.
What happens to VMs inside a resource pool when the resource pool is deleted?
All VMs inside the pool are placed in the parent resource pool.
Cold migration of a compute resource is referring to…
A suspended VM.
What Advanced System Setting would need to be modified if a vSphere admin wanted to prevent a physical uplink from participating in NIOC?
Net.IOControlPnicOptOut
Which of the following is not a valid store in VECS?
- ESXi certificates store.
- Machine SSL certificates store.
- Trusted roots store
- Vpdx-extensions.
ESXi certificates store.
Which NFS Datastore Version can use multiple IP address?
Version 4.1 can.
Version 3 cannot.
You are configuring SIOC and want to change the contention threshold it uses to begin prioritizing I/O based on shares. What is an acceptable range?
10 to 100 ms.
What is the minimum core requirement for successful installation, or upgrade, of ESXi on a host?
2
What log is in the same folder as the virtual machine configuration file?
VMware.log
An admin is tasked with upgrading an existing vSphere environment to version 7.0. The current configuration is using an external Platform Services Controller. Which two statements are true regarding this upgrade?
The external Platform Services Controller needs to be converged into an embedded vCenter Server Appliance.
The external Platform Services Controller needs to be decommissioned following the deployment of the new vCenter Server Appliance.
What step is required when adding an existing hard disk that is configured as a boot disk during virtual machine creation?
Remove the existing disk before adding the boot disk.
You are configuring a hybrid vSAN cluster. By default, what percentage of the flash space is used as a write buffer?
30% is used for the write buffer; 70% is used for the read cache.
You plan to implement vSphere 7.0 and use vSphere Fault Tolerance to protect virtual machines with two vCPUs. What is the minimum vSphere Edition that you need?
vSphere Standard and Enterprise.